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Best mailing envelopes - July 2026

Last Updated - July 23, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aimoh

Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

Aimoh

More Details
Main highlights
- ✉️ SUPER SECURITY TINT PATTERN; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing
- ✉️ QUICK-SEAL CLOSURE; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting
- ✉️ LASER AND INKJET PRINTER COMPATIBLE; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now
- ✉️ 100 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack
2
Best Value
29% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Columbian
29% Off

Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft

Columbian

(29% Off)

More Details
Main highlights
- VERSATILE FOR HOME OR BUSINESS USE: Ideal for offices, schools, small businesses, home organization, legal files, reports, catalogs, and important mailings
- PRACTICAL PROTECTION FOR IMPORTANT PAPERS: 9 x 12 size easily fits standard documents, keeping contracts, catalogs, photos, and files clean, crisp, and professional
- PERFECTLY SIZED 30 COUNT VALUE PACK: A 30 count pack offers the ideal amount for everyday tasks, helping you stay organized and prepared without needing to restock too often
- HEAVYWEIGHT 28 LB BROWN KRAFT PAPER: Durable kraft stock resists tearing and protects contents during handling, storage, and transport for dependable everyday use
- FAST RELEASE & SEAL SELF-SEAL CLOSURE: Peel-and-press strip creates a strong, secure seal with no moisture required, saving time and eliminating mess, keeping your documents and papers safe and secure
(29% Off)
3
17% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics
17% Off

Amazon Basics Clasp Kraft Envelopes for Documents, Gummed Mailing Envelope, 9" x 12", 100-Pack

Amazon Basics

(17% Off)

More Details
Main highlights
- Moisture-activated gummed surface on flap creates a permanent seal
- Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty
- Made with thick 28-pound kraft paper for reliable strength and protection
- Double-prong metal clasp closure and reinforced eyelet keep documents securely contained
- Clasp envelope (100-pack) for filing, storing, or mailing documents
(17% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Splendoress

#10 Envelopes Letter Size Self Seal | 100 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB

Splendoress

More Details
Main highlights
- ✉️ TINTED SECURITY PATTERN - Windowless envelope with a security tint-pattern to protect contents and sensitive information
- ✉️ NO NEED TO LICK THE FLAP ANYMORE - SELF STICK adhesive strip creates a super secure seal across each envelope
- ✉️ LASER AND INKJET PRINTER COMPATIBLE - Measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for easy addressing
- ✉️ HIGH QUALITY & BULK PRICING BOX - 24lbs high-quality #10 envelopes at a fraction of the price
- ✉️ 100 NUMBER 10 ENVELOPES PACK - Perfect choice for small businesses, home offices and everyday office supply usage
5
18% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics
18% Off

Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes for Documents, Privacy, Home & Office, White, 500-Pack

Amazon Basics

(18% Off)

More Details
Main highlights
- Product dimensions: 12.2 x 9.9 x 4.13 inch
- Peel-and-seal closure; no moisture needed
- Interior security tint for privacy; securely send checks, invoices, or other confidential documents
- Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing
- 10 business letter envelopes for home or office
(18% Off)

Best mailing envelopes - July 2026

Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft

Amazon Basics Clasp Kraft Envelopes for Documents, Gummed Mailing Envelope, 9" x 12", 100-Pack

#10 Envelopes Letter Size Self Seal | 100 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB

Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes for Documents, Privacy, Home & Office, White, 500-Pack

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Mead #10 Envelopes, Letter Size, 4-1/8" x 9-1/2", Security Printed Lining for Privacy, Gummed Closure, Windowless, White All-Purpose for Home & Office Mail, 40 Count (75214)

Mead Envelopes, 9" x 12", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 20 Count (76020)

KKBESTPACK 100 Large Poly Mailers 10x13 Shipping Bags for Small Business – Self Sealing Package Envelopes (10 x 13 Pack of 100, Black)

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Scotch Poly Bubble Mailer, White, Large, Size 5, Inside Dimensions 10.5 IN x 15 IN, made with 50% recycled plastic

Yeplan 60PCS #10 Envelopes Letter Size Self Seal Business Envelopes No Window Security Mailing Envelopes Size 4-1/8 x 9-1/2 Inch - White 24LB Paper

Amazon Basics Self Seal Catalog Envelopes for Business Mailing, Peel and Seal, 6" x 9", Brown Kraft, 100-Pack

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